Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
130812 何旻慧 12序列找规律 C++ Compile Error 0 MS 0 KB 208 2025-09-17 19:29:37

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl using namespace std; int main(){ int a,n,c=0,d=0,e; a=10000; cin>>b; for (int i=3;i<=b;i++) { if(i%2==0) { a-=2; } else { a-=1; } } cout<<a; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:6: error: 'b' was not declared in this scope
 cin>>b;
      ^
Main.cc:4:7: warning: unused variable 'n' [-Wunused-variable]
 int a,n,c=0,d=0,e;
       ^
Main.cc:4:9: warning: unused variable 'c' [-Wunused-variable]
 int a,n,c=0,d=0,e;
         ^
Main.cc:4:13: warning: unused variable 'd' [-Wunused-variable]
 int a,n,c=0,d=0,e;
             ^
Main.cc:4:17: warning: unused variable 'e' [-Wunused-variable]
 int a,n,c=0,d=0,e;
                 ^